Answer this question truthfully
### Question: What causes Bulimia nervosa?
### Response: Many more women than men have bulimia. The disorder is most common in adolescent girls and young women.
The affected person is usually aware that her eating pattern is abnormal and may feel fear or guilt with the binge-purge episodes.
The exact cause of bulimia is unknown. Genetic, psychological, trauma, family, society, or cultural factors may play a role. Bulimia is likely due to more than one factor.